﻿@mixin reset {
	body{
		padding-top: 10px;
	}
}
.all_bg {
	width: 800px;
	height: 600px;
	margin: 0px auto;	
}
#allcanvas {
	position: relative;
	width: 800px;
	height: 600px;
	margin: 0px;
}
%canvas {
	position: absolute;
	bottom: 0px;
	left: 0px;
}
#canvas1 {
	@extend %canvas;
	z-index: 1;
}
#canvas2 {
	@extend %canvas;
	z-index: 0;
}